Coulee Dam, WA to Kent, WA is 228.9 miles and takes about 4h 44m via I 90 and Coulee Corridor, with a fuel budget near $48 and enough daylight to finish in a day. This route primarily traverses the Pacific Coast region within Washington state, offering a highway-focused experience. Expect a straightforward drive that's well-suited for a single-day trip, making it a convenient option for getting from point A to point B efficiently. With a reasonable duration and moderate mileage, this journey is manageable for most drivers.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
114.5 miles from Coulee Dam, WA
A natural place for your longest stop of the day
, about 2h 30m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 4h 44m. Total distance: 228.9 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 44m drive, comfortable solo distance.
Drive Character
This journey is predominantly a highway-focused drive, with 64% of the route utilizing major highways. You'll encounter a significant uninterrupted stretch of 125.7 miles on I 90, which forms the backbone of this trip. The Coulee Corridor and Coulee Boulevard offer a change of pace before merging onto the interstate. Expect a consistent driving experience with minimal complexities, allowing for a steady pace.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 34 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 90 is the longest continuous segment at about 125.7 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 90 and Coulee Boulevard. You will hit about 15 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.4 miles in near WA 155 / Columbia Avenue.
Driving Effort6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 228.9 miles you will encounter 15 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.4 miles (WA 155 / Columbia Avenue): Navigation decision point; at 206.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 206.3 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 15 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
5
0.4 mi into trip|~0m in|WA 155 / Columbia Avenue
Turn left onto WA 155 / Columbia Avenue
Navigation decision point
7
206.1 mi into trip|~4h 10m in
Take the exit toward WA 18 West: Auburn
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 25
Toward WA 18 West: Auburn
9
206.3 mi into trip|~4h 10m in
Keep slight left at fork toward SR 18 west, Snoqualmie Parkway: Auburn, Tacoma
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / left / right lanes.
Toward SR 18 west, Snoqualmie Parkway: Auburn,...
7
222.5 mi into trip|~4h 32m in
Take the exit toward WA 516: South East 272nd Street, Covington
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward WA 516: South East 272nd Street, Covingt...
7
228.4 mi into trip|~4h 43m in|East Titus Street
Turn left onto East Titus Street
Lane positioning matters here
Use the left lane.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Coulee Dam, WA and Kent, WA, road signs point toward Snoqualmie Parkway: Auburn and Tacoma.
Snoqualmie Parkway: Auburn
206.3 mi in|~4h 10m
Tacoma
206.3 mi in|~4h 10m
Main Roads
Road
Distance
Duration
I 90
125.7 mi
2h 17m
Coulee Boulevard
25.1 mi
32m
Coulee Corridor
23 mi
32m
Basin Street Southwest
19.9 mi
26m
State Route 18
15.8 mi
20m
Coulee Corridor / Sunset Highway
4.3 mi
6m
WA 28
3.7 mi
5m
Southeast 272nd Street
2 mi
3m
Longest stretch:
I 90
— 125.7 mi, about 2h 17m
Turn-by-Turn Driving Directions
Step-by-step road directions between Coulee Dam, WA and Kent, WA.
1
Start on Marina Way
93 ft·4 sec·Marina Way
2
Continue on Roosevelt Way
0.1 mi·20 sec·Roosevelt Way
3
Continue on WA 155
0.2 mi·27 sec·State Highway 155
4
Turn left onto WA 155
0.2 mi·33 sec·Columbia Avenue
5
Continue on WA 155
0.2 mi·26 sec·State Route 155
6
Continue on WA 155
1.7 mi·3 min·Coulee Corridor
7
Continue on WA 155
0.5 mi·1 min·Midway Avenue
8
Continue on WA 155
257 ft·7 sec·Midway Avenue
9
Continue on WA 155
0.5 mi·56 sec·Grand Coulee Avenue
10
Continue on WA 155
25 mi·32 min·Coulee Boulevard
11
Continue on US 2
4.3 mi·6 min·Coulee Corridor / Sunset Highway
12
Turn left onto WA 17
21 mi·29 min·Coulee Corridor
13
Turn right onto WA 28
3.7 mi·5 min·WA 28
14
Turn left onto Alder Street Northwest
1.6 mi·2 min·Alder Street Northwest
15
Continue on Alder Street Southwest
0.4 mi·56 sec·Alder Street Southwest
16
Turn right onto 5th Avenue Southwest
392 ft·16 sec·5th Avenue Southwest
17
Turn left onto WA 28
20 mi·26 min·Basin Street Southwest
18
Take the ramp
0.3 mi·44 sec
Toward I 90 West: Seattle
19
Merge onto I 90
126 mi·2 hr 17 min·I 90
Use the straight / slight right lanes.
20
Take the exit
0.2 mi·30 sec
Exit 25Toward WA 18 West: AuburnUse the slight right lane.
21
Keep slight left at fork
448 ft·13 sec
Toward SR 18 west, Snoqualmie Parkway: Auburn, TacomaUse the straight / left / right lanes.
22
Merge onto WA 18
0.3 mi·25 sec·Snoqualmie Parkway
23
Continue on WA 18
16 mi·20 min·State Route 18
Use the straight / slight right lanes.
24
Take the exit
0.4 mi·49 sec
Toward WA 516: South East 272nd Street, CovingtonUse the straight / slight right lanes.
25
Turn right onto WA 516
2.0 mi·3 min·Southeast 272nd Street
Use the straight / left / right lanes.
26
Continue on WA 516
0.2 mi·16 sec·Southeast Kent-Kangley Road
27
Continue on WA 516
1.8 mi·3 min·Southeast Kent Kangley Road
Use the straight / left lanes.
28
Continue on WA 516
0.4 mi·55 sec·Southeast 256th Street
Use the left lane.
29
Continue on WA 516
1.0 mi·1 min·Canyon Drive
30
Continue on WA 516
0.1 mi·20 sec·East Smith Street
31
Turn left onto East Titus Street
0.2 mi·40 sec·East Titus Street
Use the left lane.
32
Continue on East Gowe Street
0.3 mi·56 sec·East Gowe Street
Use the straight / right lanes.
33
Turn right onto 2nd Avenue South
10 ft·0 sec·2nd Avenue South
34
Arrive at destination
2nd Avenue South
Trip Plan
Given the 4h 44m estimated duration, departing in the morning allows ample time to reach your destination before evening. You'll only need about one planned stop for this 228.9-mile drive. With a fuel cost estimated at $48, it's wise to ensure your tank is full before leaving Coulee Dam, as the longest stretch on I 90 is over 125 miles. Keep an eye on your fuel gauge as services can be spaced out on some sections of the main highways.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 114.5 miles from Coulee Dam, WA, or about 2h 30m into the drive.
The longest continuous stretch on this route runs about 125.7 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 50 miles or 1h 10m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 114.5 miles or 2h 30m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 50m
Traffic, exits, and arrival timing usually matter more near Kent, WA than in the middle of the route.
Before You Leave
+
Open the route before leaving Coulee Dam, WA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Coulee Dam, WA
This is one driving day of about 228.9 miles and 4h 44m.
Your first comfortable stop window is around 50 miles from Coulee Dam, WA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 90 for about 125.7 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 114.5 mi from Coulee Dam, WA
· 2h 30m into the drive
The midpoint is around 114.1 miles from Coulee Dam, WA, which is a good place for a longer meal and fuel stop.
Arriving in Kent, WA
The final approach into Kent, WA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Kent, WA.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
National Parks Near This Route
Worth a detour if your schedule allows.
Klondike Gold Rush - Seattle Unit National Historical Park
National Historical Park
Seattle flourished during and after the Klondike Gold Rush. Merchants supplied people from around the world passing through this port city on their way to a remarkable adventure in the Yukon Territory...
16 mi from route
~39 min detour
Free
near mile 228.9
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$47.91 one way
$95.81 round trip
$5.32/gal25.4 MPG avg80 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.58
$50.24
$100.48
premium
$5.77
$51.98
$103.96
diesel
$5.61
$50.54
$101.08
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$48
Meals
$25–$50
Total
$73–$98
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 80.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $24 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
68.7
0
$24.03
$10.99
Efficient EV
57.2
0
$20.03
$9.16
EV Truck/SUV
91.6
1
$32.05
$14.65
Gas CO2
80 kg
EV CO2
27 kg (66% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
Coulee Dam, WA
Morning
in Coulee Dam on Saturday
Local time
8:20 AM
PDT
Current temp
51°F
Unavailable
Live forecast
Destination
Kent, WA
Morning
in Kent on Saturday
Local time
8:20 AM
PDT
Current temp
47°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
4 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 44m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Coulee Dam, WA to Kent, WA covers 228.9 miles and takes about 4h 44m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 90, Coulee Boulevard, Coulee Corridor. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 114.5 miles from Coulee Dam, WA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $47.91 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This drive requires moderate attention. Across 228.9 miles you will encounter 15 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 0.4 miles (WA 155 / Columbia Avenue): Navigation decision point; at 206.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 206.3 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Coulee Dam, WA and Kent, WA, road signs point toward Snoqualmie Parkway: Auburn and Tacoma.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
